Answer:
A polypeptide chain!
Explanation:
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Amino acids are the fundamental building blocks of proteins. In the cell, amino acid molecules combine to form polypeptide chain or protein.
What are amino acid ?The term amino acids are defined as the building block of the protein. Amino acids are the fundamental building blocks of proteins. Their molecule contains both an amino and a carboxylic group.
Alpha-amino acids are amino acids that have an amino and a carboxyl group attached to the same carbon atom, i.e., an alpha-carbon atom. Glycine, Alanine, etc.
Proteins are made up of monomers called amino acids. A protein is composed of one or more linear chains of amino acids, each of which is referred to as a polypeptide.
Thus, In the cell, amino acid molecules combine to form polypeptide chain or protein.
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What information can a foliated metamorphic rock provide you about the conditions under which it formed?
A gas occupies a volume of 0.444 L at 0.00C and
79.00 kPa. What is the final Kelvin temperature when
the volume of the gas is changed to 1880. mL and the
pressure is changed to 38.70 kPa?
Include unit of measurement and use proper
significant figures.
Answer:
The final temperature is 566°K
Explanation:
Given
V1 = 0.444L
T1 = 0.00°C
P1 = 79.00 kPa
V2 = 1880mL
P2 = 38.70 kPa
Required
Determine the final temperature of the gas
To answer this, we make use of idea gas law equation.
This is:
(P1V1)/T1 = (P2V2)/T2
Convert V1 to mL
V1 = 0.444L
V1 = 0.444 * 1000mL
V1 = 444mL
Convert T1 to Kelvin
T1 = 0.00°C
T1 = 0.00 + 273K
T1 = 273K
Substitute these values in the given equation.
(P1V1)/T1 = (P2V2)/T2
(79 * 444)/273 = (38.70 * 1880)/T2
35076/273 = 72756/T2
Cross Multiply
35076 * T2 = 273 * 72756
35076T2 = 19862388
Make T2 the subject
T2 = 19862388 ÷ 35076
T2 = 566K (approximated)
Hence, the final temperature is 566°K
how would one convert 36 yd to centimeters?
Answer:
3291.84 cm
Explanation:
you would multiply the amount of yards you have by 91.44, since that's how many centimeters there are in 1 yd.
Answer: it’s D
Explanation:
POSSIBLE POINTS: 1
Please read the example carefully and choose the best answer below.
Marie notices that the current cleaner she is using on her shower is not cutting through the hard water build-
up that has accumulated. She decides to purchase 3 other cleaners to see if one of them will do a better job
of cutting through the stains. Marie places masking tape in the dry shower to create 5 sections for her
experiment. She sprays 3 squirts of one cleaner per section and leaves the remaining section untouched to
compare her results. After 30 minutes, and without scrubbing any of the cleaner in, she records her
observations.
In this example what is the independent variable?
Answer:
CLEANER
Explanation:
Independent variable is the variable in an experiment that is changed or manipulated by the experimenter in order to bring about a measurable response.
In this question, Marie notices that the current cleaner she is using on her shower is not cutting through the hard water build-up that has accumulated. She decides to purchase 3 other cleaners to see if one of them will do a better job of cutting through the stains. The CLEANERS being changed in this experiment is the INDEPENDENT VARIABLE.
I'm a bit stupid, that's why I'm going to ask for help, can you be nice and help me? Thank you
Explanation:
ion
valence electrons
isotope
covalence
ionic
Which characteristic is related to kinetic energy but not potential energy
Answer:
kinectic is movement and potential is still
Explanation:
While kinetic energy of an object is relative to the state of other objects in its environment, potential energy is completely independent of its environment. Hence the acceleration of an object is not evident in the movement of one object, where other objects in the same environment are also in motion.
Answer:an object’s speed
Explanation:
What mass of sulphuric acid can be made from 8g of SO3
(SO3+H2O==>H2S04)
09.8g
18.2g
Answer:
10 g H₂SO₄
General Formulas and Concepts:
Chemistry - Stoichiometry
Reading a Periodic TableUsing Dimensional AnalysisExplanation:
Step 1: Define
Given: 8 g SO₃
RxN: SO₃ + H₂O → H₂SO₄
Step 2: Identify Conversions
Molar Mass of S - 32.07 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of H - 1.01 g/mol
Molar Mass of SO₃ - 32.07 + 3(16.00) = 80.07 g/mol
Molar mass of H₂SO₄ - 2(1.01) + 32.07 + 4(16.00) = 98.09 g/mol
Step 3: Stoichiometry
[tex]8 \ g \ SO_3(\frac{1 \ mol \ SO_3}{80.07 \ g \ SO_3} )(\frac{1 \ mol \ H_2SO_4}{1 \ mol \ SO_3} )(\frac{98.09 \ g \ H_2SO_4}{1 \ mol \ H_2SO_4} )[/tex] = 9.80042 g H₂SO₄
Step 4: Check
We are given 1 sig fig. Follow sig fig rules and round.
9.80042 g H₂SO₄ ≈ 10 g H₂SO₄
2. Mrs. Matthews went to Edisto beach with her husband and two children. She forgot the
sunscreen and the UV Index was extremely high at a level 10. Her whole family got very sunburnt.
Which energy transfer caused the sunburn?
(20 Points)
Radiation
Conduction
O Convection
Kinetic Energy
Answer:
A; radiation
Explanation:
also, please dont use brainly to copy and paste every answer to get them right, use it when u need help
A bottle has a capacity of 1.2 liters. If the density of ether is 0.74 g/mL, what mass of ether can the bottle hold?
Answer:
Density is a value for mass, such as kg, divided by a value for volume, such as m3. Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance. We calculate as follows:
Volume = 60.0 g ( 1 mL / 0.70 g ) = 85.71 mL
Therefore, the correct answer is option B.
Explanation:
888 grams is a mass of ether that the bottle can hold.
Explanation:
The density of the substance is defined as a mass of substance present in the unit volume of the substance.
[tex]Density=\frac{Mass}{Volume}[/tex]
Given:
A bottle with a capacity of 1.2 Liters.
The density of ether = 0.74 g/mL
To find:
The mass of ether hold by a given bottle.
Solution:
The volume of bottle = V = 1.2 L
[tex]1 L = 1000 mL\\V = 1.2 L=1.2\times 1000 mL= 1200 mL[/tex]
The density of the ether = d = 0.74 g/mL
The mass of ether that bottle can hold = m
Volume of ether required = Volume of bottle = V = 1200 mL
Using the formula of density:
[tex]d=\frac{m}{V}\\0.74 g/mL=\frac{m}{1200 mL}\\m=0.74 g/mL\times 1200 mL= 888 g[/tex]
888 grams is a mass of ether that the bottle can hold.
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Which is the molecular shape of water, H20, according to the VSEPR theory?
A. Bent
B. Tetrahedral
C. trigonal pyramidal
D. Trigonal planar
Answer:
the answer is A
Explanation:
1. At what temperature dose water freeze
2. at what temperature dose ice melt
3. At what temperature dose water boil
Answer:
1. water will freeze at a temperature below 32 degrees fahrenheit 0 degree celsius.
2. Ice will melt at a temperature above 32 degrees fahrenheit 0 degrees celsius.
3. water boils at 212 degrees fahrenheit or 100 degrees celsius.
For the following problems, identify the substance as either an element, a compound, or a mixture. Write E for Element, C for compound, and M for mixture. 34. Silicon ___E__ 35. Salad dressing __M___ 36. Table Salt (NaCl) __C___ 37. Oatmeal with apples and raisins_____ 38. Lithium _____ 39. Copper Sulfate (CuSO4) _____
Answer:
Explanation:
34. E
35. M
36. C
37. M
38. E
39. C
What happens to the energy release of an exothermic reaction?
1.It increases the bond energy of the reactants.
2.It is released to the surroundings.
3.It raises the temperature of the reactants.
Answer:
2.It is released to the surroundings.
Explanation:
In an exothermic reaction, the energy released is to the environment. At the end of the reaction, the surrounding becomes hotter than the system where the reaction is taking place.
Heat is liberated to the surrounding in an exothermic change. At the end of this change, the surrounding becomes hotter. Examples are combustion, dissolution of substances, etc.state the iupac name for CH₃(CH2)₃C(CH₃)₃
Answer:
CH3CH2COCl consists of three carbon atoms in the parent chain and chloroformyl group(-COCl). Therefore the name of the compound is Propanoyl chloride.
A sealed can of soda contain a pressure of 1.15 atm at 23°C. What is the new pressure at 79 °C? Report your answer to the hundredths place (two decimal places) You do NOT need units in your answer
Answer:
P₂ = 1.37
Explanation:
Given data:
Initial pressure = 1.15 atm
Initial temperature = 23°C (23+273= 296 K)
Final pressure = ?
Final temperature = 79°C (79+273=352 K)
Solution:
According to Gay-Lussac Law,
The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.
Mathematical relationship:
P₁/T₁ = P₂/T₂
Now we will put the values in formula:
1.15 atm / 296 K = P₂/352 K
P₂ = 1.15 atm × 352 K / 296 K
P₂ = 404.8 atm. K /296 K
P₂ = 1.37 atm
1 point
What would 140000000.0 be in scientific notation?
a. 1.4 x10-8
b. 1.4 x108
c. 14 x10-7
d. 14 x107
Answer:
B
Explanation:
you're moving the decimal 8 spots to the left so it can only be B
Calculate the amount of heat needed to evaporate 235.0 grams of water from 25.0°C to 100.0°C.
During free fall which object would have a greater acceleration, an object with a mass of 240 kg or an object with a mass of 10 kg? Explain your answer.
Answer:
Leroy Jeakins
Explanation:
Catus jack f me in the asss
HELP ME PLSSSS
Which *TWO* statements explain ways in which cells get nutrients
A. The nucleus provides the instructions for making proteins from amino acids.
B. Mitochondria change energy stored in organic compounds into a usable form
C. Transport proteins help molecules cross cell membranes.
D. A chloroplast converts energy from sunlight into organic matter
Answer:
i am not sure but
Explanation:
b and c should be correct
Answer:b and D
Explanation:
9. 1.2 x 102 yd =
10. 1535 fl. oz. =
L
Answer:
9. 122.4 yards
10. 45.395 litres
What are the parts of an electron configuration?
Answer:
Explanation:
electronic confirmation=1s^2,2S^2,2P^6,3S^2
atomic no.is 12 therefore :- this is magnesium
Period=3
Block=s-block
Group=II A
Calculate the gravitational force between two objects when they are 0.75m apart each object has a mass of 5.00kg
Answer:
0.000000000666863
Explanation:
F = GMm/R²
i need help on these questions please!!!
the link for the vid will be in the comments
WILL GIVE BRAINLIEST Pam and Caroline determined the mass and volume of a piece of metal to be 34.16 g and 11.3 mL respectively. Determine the density of the metal. (Please show work and use significant figures.
Answer:
0.303kg/m
Explanation:
Density=m/v where m is mass
and v is volume
we then convert m in grams to kg
= 34.16/1000
=0.0342kg
converting ml to m
=11.3/100
=0.113m
then density=0.0342/0.113
=0.303kg/m
Help please! Tell me which one goes where.
Answer:
human-F
chicken-D
rabbit-E
tortoise-C
salamander-B
fish-A
Explanation:
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HAVE A GREAT DAY <3
Answer:
D Tortoise
B Salamander
A Fish
C Chicken
F Human
E Rabbits
Explanation:
I Really have an Explanation
We apply the same amount of energy to 10.0-g samples of aluminum, iron, and silver which begin at the same temperature. Rank the metals from highest to lowest temperature after the heat is applied
Answer:
Ag > Fe > Al
Explanation:
The values of the specific heat capacity of the elements are given as;
Aluminum = 0.897 J/g*K
Iron=0.449 J/g*K
Silver=0.235 J/g*K
Specific heat capacity basically refers to how much heat is required to change the temperature of a unit mass of a substance by a degree. Elements with high specific heat capacity would require higher energy compared to elements with lower values,
Aluminium (Al) has the highest specific heat capacity, hence it wold require more energy to cause a change in temperature. Aluminium would be the lowest.
Silver (Ag) has the lowest specific heat capacity hence it would require less energy to cause a change in temperature. Silver wold be the highest.
The middle would be iron (Fe).
The rank is given as;
Ag > Fe > Al
Centripetal acceleration is in a
The independent variable is the variable that you measure.
True or False?
Answer:
Maybe false
Explanation:
.........
helpp!! only answer if u know or think u know!
ILL MARK U BRAINLIEST
this is science btwww
Answer:
answer on what no file attached
Explanation:
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there. first question Natural non-living things: They are found in nature and are not made by man. Examples: Sun, moon, stars, sky, clouds, rocks, mountains and many more. Man-made non-living things: They are made by man. Examples: Toys, chairs, tables, beds, houses, buildings, trains and many more. second question Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock. The word "metamorphic" comes from Greek and means "To Change Form". third question. Sedimentary. fourth question and sorry I can't answer the last :(
Explanation:
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird populaiton in the field?
Answer:
It would decrease
Explanation:
In an ecosystem, organisms feed on one another for survival due to the fact that energy needed for metabolic activities in individual organisms can only be obtained via food. This question depicts that certain bird population feeds on barley plant in an ecosystem.
However, If a disease attacks the plants in such a way that it destroys the barley plants in the field, this would cause the barley-eating bird population to DECREASE because their food source has been affected.
Answer:
the barley-eating bird population in the field would decrease.
Explanation: